@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');

* {
  font-family: 'Inter', sans-serif;
}

body {
  background: linear-gradient(
    135deg,
    #ffffff 0%,
    #f8f9fa 25%,
    #ffffff 50%,
    #e3f2fd 75%,
    #ffffff 100%
  );
  background-size: 400% 400%;
  animation: subtleGradient 25s ease-in-out infinite;
  min-height: 100vh;
  will-change: auto;
}

@keyframes subtleGradient {
  0%,
  100% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
}

.glass-morphism {
  background: rgba(255, 255, 255, 0.25);
  backdrop-filter: blur(20px);
}

.glass-card {
  background: rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(25px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.1);
  transition: transform 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94),
    box-shadow 0.3s ease;
  will-change: transform;
}

.glass-card:hover {
  transform: translateY(-5px) translateZ(0);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.15);
}

.solid-card {
  background: #ffffff;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
  transition: transform 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94),
    box-shadow 0.3s ease;
  will-change: transform;
}

.solid-card:hover {
  transform: translateY(-8px) scale(1.02) translateZ(0);
  box-shadow: 0 25px 50px rgba(52, 152, 219, 0.15);
}

.gradient-text {
  background: linear-gradient(135deg, #3498db, #e74c3c, #f39c12);
  background-size: 200% 200%;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: textGradient 4s ease-in-out infinite;
  will-change: background-position;
}

@keyframes textGradient {
  0%,
  100% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
}

.btn-primary {
  background: linear-gradient(135deg, #3498db, #2980b9, #e74c3c, #f39c12);
  background-size: 300% 300%;
  color: white;
  transition: transform 0.2s cubic-bezier(0.25, 0.46, 0.45, 0.94),
    box-shadow 0.2s ease;
  position: relative;
  overflow: hidden;
  animation: gradientShift 5s ease-in-out infinite;
  will-change: transform, background-position;
}

@keyframes gradientShift {
  0%,
  100% {
    background-position: 0% 50%;
  }
  25% {
    background-position: 100% 50%;
  }
  50% {
    background-position: 50% 100%;
  }
  75% {
    background-position: 50% 0%;
  }
}

.btn-primary::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.3),
    transparent
  );
  transition: left 0.5s;
}

.btn-primary:hover::before {
  left: 100%;
}

.btn-primary:hover {
  transform: translateY(-2px) translateZ(0);
  box-shadow: 0 10px 25px rgba(52, 152, 219, 0.3);
  animation-duration: 3s;
}

.btn-secondary {
  background: linear-gradient(135deg, #e74c3c, #c0392b);
  color: white;
  transition: transform 0.2s cubic-bezier(0.25, 0.46, 0.45, 0.94),
    box-shadow 0.2s ease;
  position: relative;
  overflow: hidden;
  will-change: transform;
}

.btn-secondary::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.3),
    transparent
  );
  transition: left 0.5s;
}

.btn-secondary:hover::before {
  left: 100%;
}

.btn-secondary:hover {
  transform: translateY(-2px) translateZ(0);
  box-shadow: 0 10px 25px rgba(231, 76, 60, 0.3);
}

.btn-outline {
  color: #3498db;
  background: transparent;
  transition: transform 0.2s cubic-bezier(0.25, 0.46, 0.45, 0.94),
    background-color 0.2s ease, color 0.2s ease, box-shadow 0.2s ease;
  will-change: transform;
}

.btn-outline:hover {
  background: #3498db;
  color: white;
  transform: translateY(-2px) translateZ(0);
  box-shadow: 0 10px 25px rgba(52, 152, 219, 0.2);
}

.slide-up {
  opacity: 0;
  transform: translateY(30px) translateZ(0);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1),
    transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform;
}

.slide-up.visible {
  opacity: 1;
  transform: translateY(0) translateZ(0);
}

.slide-left {
  opacity: 0;
  transform: translateX(-30px) translateZ(0);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1),
    transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform;
}

.slide-left.visible {
  opacity: 1;
  transform: translateX(0) translateZ(0);
}

.slide-right {
  opacity: 0;
  transform: translateX(30px) translateZ(0);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1),
    transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform;
}

.slide-right.visible {
  opacity: 1;
  transform: translateX(0) translateZ(0);
}

.nav-glass {
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(20px);
}

.service-icon {
  background: linear-gradient(135deg, #ecf0f1, #bdc3c7);
  transition: transform 0.25s cubic-bezier(0.25, 0.46, 0.45, 0.94),
    background 0.25s ease;
  will-change: transform;
}

.service-icon:hover {
  background: linear-gradient(135deg, #3498db, #2980b9);
  transform: scale(1.1) rotate(5deg) translateZ(0);
}

.service-icon:hover svg {
  color: white;
}

.form-input {
  background: #ffffff;
  color: #2c3e50;
  transition: box-shadow 0.2s ease, border-color 0.2s ease;
}

.form-input:focus {
  box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
  outline: none;
}

.form-input-glass {
  background: rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(15px);
  color: #2c3e50;
  transition: background-color 0.2s ease, box-shadow 0.2s ease;
}

.form-input-glass::placeholder {
  color: rgba(44, 62, 80, 0.7);
}

.form-input-glass:focus {
  background: rgba(255, 255, 255, 0.3);
  box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
  outline: none;
}

.tech-badge {
  background: #ffffff;
  color: #3498db;
  transition: transform 0.2s cubic-bezier(0.25, 0.46, 0.45, 0.94),
    background-color 0.2s ease, color 0.2s ease, box-shadow 0.2s ease;
  will-change: transform;
}

.tech-badge:hover {
  background: #3498db;
  color: white;
  transform: translateY(-2px) scale(1.05) translateZ(0);
  box-shadow: 0 8px 25px rgba(52, 152, 219, 0.2);
}

.section-divider {
  height: 3px;
  background: linear-gradient(
    90deg,
    transparent,
    #3498db,
    #e74c3c,
    #f39c12,
    transparent
  );
}

.floating-icon {
  animation: floatGentle 8s ease-in-out infinite;
  will-change: transform;
}

@keyframes floatGentle {
  0%,
  100% {
    transform: translateY(0px) translateZ(0);
  }
  50% {
    transform: translateY(-15px) translateZ(0);
  }
}

.process-step {
  position: relative;
}

/* .process-step::after {
  content: '';
  position: absolute;
  top: 50%;
  right: -2rem;
  width: 4rem;
  height: 3px;
  background: linear-gradient(90deg, #3498db, #f39c12);
}

.process-step:last-child::after {
  display: none;
} */

.scroll-indicator {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: rgba(0, 0, 0, 0.1);
  z-index: 9999;
}

.scroll-progress {
  height: 100%;
  background: linear-gradient(90deg, #3498db, #e74c3c, #f39c12);
  width: 0%;
  transition: width 0.1s ease;
}

.rotating-border {
  position: relative;
}

.rotating-border::before {
  content: '';
  position: absolute;
  top: -3px;
  left: -3px;
  right: -3px;
  bottom: -3px;
  background: conic-gradient(from 0deg, #3498db, #e74c3c, #f39c12, #3498db);
  border-radius: inherit;
  animation: rotate 3s linear infinite;
  z-index: -1;
}

@keyframes rotate {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

.pulse-effect {
  animation: pulse 3s ease-in-out infinite;
  will-change: transform, opacity;
}

@keyframes pulse {
  0%,
  100% {
    opacity: 1;
    transform: scale(1) translateZ(0);
  }
  50% {
    opacity: 0.8;
    transform: scale(1.05) translateZ(0);
  }
}

.shimmer-effect {
  position: relative;
  overflow: hidden;
}

.shimmer-effect::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: linear-gradient(
    45deg,
    transparent,
    rgba(52, 152, 219, 0.1),
    transparent
  );
  transform: rotate(45deg);
  animation: shimmer 4s ease-in-out infinite;
  will-change: transform;
}

@keyframes shimmer {
  0% {
    transform: translateX(-100%) translateY(-100%) rotate(45deg) translateZ(0);
  }
  100% {
    transform: translateX(100%) translateY(100%) rotate(45deg) translateZ(0);
  }
}

@keyframes timelineGrow {
  0% {
    height: 0%;
  }
  100% {
    height: 100%;
  }
}

@keyframes nodeAppear {
  0% {
    transform: scale(0.5);
    opacity: 0;
  }
  50% {
    transform: scale(1.2);
    opacity: 0.8;
  }
  100% {
    transform: scale(1);
    opacity: 1;
  }
}

@keyframes rippleEffect {
  0% {
    transform: translate(-50%, -50%) scale(1);
    opacity: 0.6;
  }
  100% {
    transform: translate(-50%, -50%) scale(2.5);
    opacity: 0;
  }
}

.timeline-line {
  animation: timelineGrow 6s ease-out infinite;
}

.timeline-node {
  opacity: 0;
  transform: scale(0.5);
  animation: nodeAppear 0.8s ease-out forwards;
}

.timeline-node:nth-child(1) {
  animation-delay: 1s;
}
.timeline-node:nth-child(2) {
  animation-delay: 2.5s;
}
.timeline-node:nth-child(3) {
  animation-delay: 4s;
}
.timeline-node:nth-child(4) {
  animation-delay: 5.5s;
}

.timeline-ripple {
  animation: rippleEffect 1.5s ease-out infinite;
}

.timeline-ripple:nth-child(1) {
  animation-delay: 1.5s;
}
.timeline-ripple:nth-child(2) {
  animation-delay: 3s;
}
.timeline-ripple:nth-child(3) {
  animation-delay: 4.5s;
}
.timeline-ripple:nth-child(4) {
  animation-delay: 6s;
}

.accent-gradient {
  background: linear-gradient(135deg, #f39c12, #e67e22);
}

.secondary-gradient {
  background: linear-gradient(135deg, #e74c3c, #c0392b);
}

.primary-gradient {
  background: linear-gradient(135deg, #3498db, #2980b9);
}

/* Mobile Menu Animations */
.hamburger-line {
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.hamburger-active {
  opacity: 0;
  transform: scale(0.8);
}

/* Enhanced Process Step Animations */
.process-step-active {
  transform: scale(1.05);
  z-index: 10;
}

.process-step-active .step-card {
  background: linear-gradient(
    135deg,
    rgba(52, 152, 219, 0.1),
    rgba(231, 76, 60, 0.1)
  );
  border: 2px solid rgba(52, 152, 219, 0.3);
  box-shadow: 0 25px 50px rgba(52, 152, 219, 0.2);
}

.process-step-highlight {
  animation: stepHighlight 2s ease-in-out;
}

@keyframes stepHighlight {
  0% {
    transform: scale(1);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
  }
  50% {
    transform: scale(1.08);
    box-shadow: 0 30px 60px rgba(52, 152, 219, 0.25);
  }
  100% {
    transform: scale(1.05);
    box-shadow: 0 25px 50px rgba(52, 152, 219, 0.2);
  }
}

.step-glow {
  position: relative;
}

.step-glow::before {
  content: '';
  position: absolute;
  top: -4px;
  left: -4px;
  right: -4px;
  bottom: -4px;
  background: linear-gradient(
    135deg,
    rgba(139, 69, 19, 0.4),
    rgba(75, 0, 130, 0.4),
    rgba(255, 20, 147, 0.4),
    rgba(0, 191, 255, 0.4)
  );
  border-radius: inherit;
  z-index: -1;
  opacity: 0;
  transition: all 0.6s ease;
  filter: blur(12px);
}

.step-glow.active::before {
  opacity: 1;
  filter: blur(16px);
}